{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["process parameter", "material", "enabling technology", "process characterization", "machanical property", "biomedical"], "input": "The average primary dendrite arm spacing increases from 17 μm at the bottom to 39 μm at the top of the deposit , and the volume fraction of the interdendritic eutectic decreases from 52.1 % to 39.3 % ."}
{"process parameter": ["volume fraction"], "material": [], "enabling technology": [], "process characterization": [], "machanical property": [], "biomedical": ["dendrite"]}